Sinomarin Plus Algae Allergy Relief Spray with the Algomer™ complex is a 100% natural & innovative product that offers relief from nasal symptoms associated with allergic rhinitis (stuffy nose, runny nose, sneezing, local irritation) whether it is allergic or chronic. Suitable for adults & children over 6 years old. It is a 100% natural product, does not contain antihistamines, corticosteroids, preservatives or chemical additives and does not cause side effects, such as drowsiness.